Granted Patent
Utility
US 4,874,365 · App. 06/659,809
Feeding tube facilitating improved placement and permitting subsequent delivery of a second prescribed product and method therefor
Inventors:
Warren P. Frederick, Sarah Lathrop Steele, David D. Rhodes, Christopher L. Arns
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Oct 11, 1984
Inventors
Warren P. Frederick
Sarah Lathrop Steele
David D. Rhodes
Christopher L. Arns
Assignee (at issue)
Baxter International Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.